/Engine/Source/Runtime/AssetRegistry/Public/AssetRegistry/PathTree.h
Recursively enumerates all child paths from the specified base path relative to this node
bool EnumerateSubPaths ( [FName](API\Runtime\Core\UObject\FName) BasePath, [TFunctionRef](API\Runtime\Core\GenericPlatform\TFunctionRef)< bool([FName](API\Runtime\Core\UObject\FName))> Callback, bool bRecurse ) const